COVID-19 and Real-World Evidence: A Scoping Review on Factors That Affected Real-World Data Quality and Collection during the Pandemic and Methods to Address these Issues

Use of a Common Data Model (CDM)

• CDM mapping:
  No

Data quality specifications

• Check conformance:
  Unknown
• Check completeness:
  No
• Check stability:
  No
• Check logical consistency:
  Yes

Data characterisation

• Data characterisation conducted:
  No